Thomas Engine Company, LLC
15Patents
10Active
15Granted
44Portfolio score
Filing activity: Oct 30, 2001 → Apr 19, 2011 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6662775B2 | Integral air compressor for boost air in barrel engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6698394B2 | Homogenous charge compression ignition and barrel engines | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6834636B2 | Single-ended barrel engine with double-ended, double roller pistons | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7469662B2 | Homogeneous charge compression ignition engine with combustion phasing | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8534241B2 | CAM plate bearings for barrel engine | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7464673B2 | Single-ended barrel engine with double-ended, double roller pistons | Emerging Cross-Sectional Technologies | 4 | Active |
| US6899065B2 | Radial-valve gear apparatus for barrel engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8015956B2 | Piston assembly for barrel engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7600493B2 | Spline drive and cam shafts for barrel engines | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7654234B2 | Barrel engine block assembly | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7581518B2 | Coaxial oil pump for barrel engines | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7673607B2 | Tappet carrier for barrel engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8522732B2 | Flywheel for barrel engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8056542B2 | Intake system for a barrel internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US8079336B2 | Compact valve actuation mechanism for barrel internal combustion engines | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.